.nav-item:hover a{
    border-bottom: 4px solid #0088d9;
    text-decoration: none;
    color: #0088d9;

}
.active a:first-child{
    border-bottom: 4px solid #0088d9;
    color: #0088d9;
}
.nav-item a {
    color: #555;

    padding:  0 15px  30px 15px;
}
.main .con .row{
    font-size: 13px;
    text-align: center;
}
.right{
    color: #fff;
    padding: 10px 7px;
    font-size: 14px;

    border-radius: 3px;
}
.container::after{
    clear: both;
    content: "";
    display: table;
}
.mianb .bottom{
    background: #0088d9;
}
.mainc .card-body{
    padding: 5px 10px;
}

.miana .carousel-indicators li,.maind .carousel-indicators li {
    background-color: #666;
    border-radius: 50%;
    width: 10px;
    height: 10px;
}
.maind.carousel-indicators,.miana .carousel-indicators{
    bottom: -20px;
}

.maind .carousel{
    padding: 50px 0;
}
.miana  {
    background: #eee;
    padding: 50px 0;
}
.mianb .bottom .left{
    color: #eeeeee;
}
footer{
    background: url("../img/bg-pic2.png")no-repeat;
    background-size: cover;
    padding: 30px 0;
    color: #eee;
}
footer div a span{
    padding: 0 15px;
}
.mianb .nav {
    display: flex;
    justify-content: center;
}
.mianb span,.mainc span ,.maind span ,.main span {
    font-size: 20px;
}
.main .con .row .col-md-3 img{
    border: 16px solid #f0f0f0;
}
@media (max-width: 600px) {
    .miana.carousel-indicators {
        bottom: -50px;
    }
    .nav-item a {
        color: #555;
        margin-bottom: 35px;
        padding-bottom: 0;
        padding-left: 0;
    }
    footer{
        background: url("../img/bg-pic2.png")no-repeat;
        padding: 30px 0;
        background-size:cover ;
    }
    .mianb .nav img{
        width: 100%;
    }
}